linux-kernel - linux-next: build failure after merge of the akpm-current tree

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Date:   Mon, 18 Oct 2021 19:29:40 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Mike Rapoport <rppt@...nel.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the akpm-current tree

Hi all,

After merging the akpm-current tree, today's linux-next build (x86_64
allmodconfig) failed like this:

init/main.c: In function 'xbc_make_cmdline':
init/main.c:384:3: error: implicit declaration of function 'memblock_free_ptr'; did you mean 'memblock_free_late'? [-Werror=implicit-function-declaration]
  384 |   memblock_free_ptr(new_cmdline, len + 1);
      |   ^~~~~~~~~~~~~~~~~
      |   memblock_free_late
cc1: all warnings being treated as errors

Caused by commit

  d6e96e5e2e23 ("memblock: use memblock_free for freeing virtual pointers")

interacting with commit

  1ae43851b18a ("bootconfig: init: Fix memblock leak in xbc_make_cmdline()")

from Linus' tree.

I have applied the following merge fix patch.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 18 Oct 2021 19:25:44 +1100
Subject: [PATCH] fixup for "memblock: use memblock_free for freeing virtual
 pointers"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 init/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/main.c b/init/main.c
index 9b7fdd04e8cb..2851ebbe1985 100644
--- a/init/main.c
+++ b/init/main.c
@@ -381,7 +381,7 @@ static char * __init xbc_make_cmdline(const char *key)
 	ret = xbc_snprint_cmdline(new_cmdline, len + 1, root);
 	if (ret < 0 || ret > len) {
 		pr_err("Failed to print extra kernel cmdline.\n");
-		memblock_free_ptr(new_cmdline, len + 1);
+		memblock_free(new_cmdline, len + 1);
 		return NULL;
 	}
 
-- 
2.33.0

-- 
Cheers,
Stephen Rothwell

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